<template>
  <div id="app">
    <button class="btn btn-default">普通按钮</button>

    <button class="btn btn-danger">普通按钮</button>

    <div class="row">
      <div class="col-sm-8 my-border">8</div>
      <div class="col-sm-4 my-border">4</div>
    </div>
  </div>
</template>

<script>
</script>

<style scoped>
.my-border{
  border:1px solid #000;
}
</style>
